阅读说明：本技术 一种内置旋转伸缩式舵杆 (Built-in rotary telescopic rudderstock ) 是由 周海伦 周树明 俞平 景高伟 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种内置旋转伸缩式舵杆,包括舵杆本体、旋转驱动机构、插接套；本发明通过旋转驱动杆,使得驱动杆带动驱动螺纹柱在驱动槽内螺纹旋转,驱动螺纹柱旋转进行纵向移动时带动旋转卡接杆在驱动槽内上下移动,同时带动浮动板在伸缩通道内上下移动,浮动板的另一端带动整个插接套进行伸缩移动,如此可以调节插接套和舵杆本体的距离,从而改变了整个结构的长度,使用更加的灵活；本发明的插接套内侧四周通过支撑环对浮动板进行支撑,然后通过支撑环上的四个穿接螺杆分别穿接四个浮动板,再利用锁定螺母进行夹持锁定,如此使得插接套的安装和拆卸都十分的便利。(The invention discloses a built-in rotary telescopic rudder stock, which comprises a rudder stock body, a rotary driving mechanism and an inserting sleeve, wherein the rotary driving mechanism is arranged on the rudder stock body; according to the invention, the driving rod is rotated to drive the driving threaded column to rotate in the driving groove through the rotation of the driving rod, the rotating clamping rod is driven to move up and down in the driving groove when the driving threaded column rotates to move longitudinally, the floating plate is driven to move up and down in the telescopic channel at the same time, and the other end of the floating plate drives the whole inserting sleeve to move telescopically, so that the distance between the inserting sleeve and the rudder stock body can be adjusted, the length of the whole structure is changed, and the use is more flexible; the periphery of the inner side of the plug bush supports the floating plates through the supporting ring, then the four floating plates are respectively connected in a penetrating way through the four penetrating screw rods on the supporting ring, and then the four floating plates are clamped and locked by the locking nuts, so that the plug bush is very convenient to mount and dismount.)

1. A built-in rotary telescopic rudder stock is characterized by comprising a rudder stock body, a rotary driving mechanism and an inserting sleeve; an adjusting groove passing through the front end and the rear end of the rudder stock body is arranged above the rudder stock body; a driving groove is formed in the lower inner part of the rudder stock body; the periphery of the inner wall of the driving groove is provided with a threaded ring surface; a cross-connecting channel is arranged between the lower middle part of the adjusting groove and the upper middle part of the driving groove; telescopic channels are respectively and vertically arranged on the left side, the right side, the front end and the rear end below the driving groove; the telescopic channel extends from the lower side part of the driving groove to the outer edge of the rudder stock body; the rotary driving mechanism comprises a driving rod, a driving threaded column, a rotary clamping rod and a floating plate; the driving rod is connected in the through channel in a penetrating mode, the upper end of the driving rod is located in the adjusting groove, and the lower end of the driving rod is located in the driving groove; the lower end of the driving rod is fixedly connected with a driving threaded column; the driving threaded column is rotationally connected to the threaded ring surface of the driving groove through threads; the lower end of the driving threaded column is rotationally clamped with the rotary clamping rod; the left side and the right side of the lower end of the rotary clamping rod and the front end and the rear end of the lower end of the rotary clamping rod are respectively and vertically provided with a floating plate; one end of the floating plate is fixed at the lower end of the rotary clamping rod, and the other end of the floating plate penetrates through the telescopic channel and extends to the outside of the telescopic channel; the longitudinal section of the plug bush is of a U-shaped structure; the periphery of the inner side of the plug bush is provided with a support ring; the left side and the right side of the upper end of the support ring and the front end and the rear end of the upper end of the support ring are respectively provided with a cross-connecting screw rod; the lower end of the rudder stock body is inserted into the inserting sleeve; the other end of the floating plate is correspondingly connected on the connecting screw in a penetrating way, and the lower end surface of the floating plate is abutted against the upper end surface of the support ring; a locking nut is respectively screwed on the cross-connecting screw rod; the locking nut is rotationally pressed on the upper end face of the floating plate; when the driving threaded column rotates, the rotating clamping rod is driven to move up and down in the driving groove, and the floating plate moves up and down in the telescopic channel.

2. The built-in rotary telescopic rudder stock as claimed in claim 1, wherein the driving rod is sleeved with an abutting elastomer; two ends of the abutting elastic body are respectively and elastically extruded between the inner wall of the upper end of the driving groove and the upper end face of the driving threaded column.

3. The rudder stock according to claim 1, wherein the floating plate abuts on the front and rear side walls of the telescopic passage at both front and rear sides thereof.

4. The internally installed rotary telescopic tiller according to claim 1, wherein a height of said telescopic passage is greater than a thickness of said floating plate.

5. The internally-arranged rotary telescopic rudder stock as claimed in claim 1, wherein the upper part of the rudder stock body is a tapered structure with a small upper part and a large lower part; the upper end of the rudder stock body is provided with a rudder stock mounting seat.

6. The rudder stock with built-in rotary telescopic structure as claimed in claim 1, wherein the rotary catch bar has a T-shaped structure; the lower end of the driving threaded column is provided with a clamping circular groove with a T-shaped structure in section; the upper end of the rotary clamping rod is rotatably clamped in the clamping circular groove at the lower end of the driving threaded column.

7. The rudder stock with built-in rotary telescopic structure as claimed in claim 1, wherein the longitudinal section of the insert sleeve is of a U-shaped structure.

Technical Field

The invention relates to a built-in rotary telescopic rudder stock.

Background

The rudder stock is a rotating rod piece which is used for connecting a rudder blade and a steering engine or a rudder stock and transmitting steering torque; the existing rudder stock is of an integrated structure, the lower end of the rudder stock is connected with a rudder blade, the upper end of the rudder stock is connected with a rudder stock, the lower end of the rudder stock and the rudder blade connected with the rudder stock are soaked in seawater, the seawater is corrosive, corrosion points can be formed on the surface of the rudder stock, the whole rudder stock needs to be replaced after the rudder stock is used for a long time, and the length of the existing rudder stock can not be adjusted, so that the application range of the rudder stock is greatly limited.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: the built-in rotary telescopic rudder stock is convenient to telescopically adjust and replace.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a built-in rotary telescopic rudder stock comprises a rudder stock body, a rotary driving mechanism and an inserting sleeve; an adjusting groove passing through the front end and the rear end of the rudder stock body is arranged above the rudder stock body; a driving groove is formed in the lower inner part of the rudder stock body; the periphery of the inner wall of the driving groove is provided with a threaded ring surface; a cross-connecting channel is arranged between the lower middle part of the adjusting groove and the upper middle part of the driving groove; telescopic channels are respectively and vertically arranged on the left side, the right side, the front end and the rear end below the driving groove; the telescopic channel extends from the lower side part of the driving groove to the outer edge of the rudder stock body; the rotary driving mechanism comprises a driving rod, a driving threaded column, a rotary clamping rod and a floating plate; the driving rod is connected in the through channel in a penetrating mode, the upper end of the driving rod is located in the adjusting groove, and the lower end of the driving rod is located in the driving groove; the lower end of the driving rod is fixedly connected with a driving threaded column; the driving threaded column is rotationally connected to the threaded ring surface of the driving groove through threads; the lower end of the driving threaded column is rotationally clamped with the rotary clamping rod; the left side and the right side of the lower end of the rotary clamping rod and the front end and the rear end of the lower end of the rotary clamping rod are respectively and vertically provided with a floating plate; one end of the floating plate is fixed at the lower end of the rotary clamping rod, and the other end of the floating plate penetrates through the telescopic channel and extends to the outside of the telescopic channel; the longitudinal section of the plug bush is of a U-shaped structure; the periphery of the inner side of the plug bush is provided with a support ring; the left side and the right side of the upper end of the support ring and the front end and the rear end of the upper end of the support ring are respectively provided with a cross-connecting screw rod; the lower end of the rudder stock body is inserted into the inserting sleeve; the other end of the floating plate is correspondingly connected on the connecting screw in a penetrating way, and the lower end surface of the floating plate is abutted against the upper end surface of the support ring; a locking nut is respectively screwed on the cross-connecting screw rod; the locking nut is rotationally pressed on the upper end face of the floating plate; when the driving threaded column rotates, the rotating clamping rod is driven to move up and down in the driving groove, and the floating plate moves up and down in the telescopic channel.

Furthermore, the driving rod is sleeved with a butting elastic body; two ends of the abutting elastic body are respectively and elastically extruded between the inner wall of the upper end of the driving groove and the upper end face of the driving threaded column.

Furthermore, the front side and the rear side of the floating plate are abutted against the front side wall and the rear side wall of the telescopic channel.

Further, the height of the telescopic channel is larger than the thickness of the floating plate.

Furthermore, the upper part of the rudder stock body is of a conical structure with a small upper part and a big lower part; the upper end of the rudder stock body is provided with a rudder stock mounting seat.

Furthermore, the rotary clamping and connecting rod is of a T-shaped structure; the lower end of the driving threaded column is provided with a clamping circular groove with a T-shaped structure in section; the upper end of the rotary clamping rod is rotatably clamped in the clamping circular groove at the lower end of the driving threaded column.

Furthermore, the longitudinal section of the plug bush is of a U-shaped structure.

The invention has the advantages of

According to the invention, the driving rod is rotated to drive the driving threaded column to rotate in the driving groove through the rotation of the driving rod, the rotating clamping rod is driven to move up and down in the driving groove when the driving threaded column rotates to move longitudinally, the floating plate is driven to move up and down in the telescopic channel at the same time, and the other end of the floating plate drives the whole inserting sleeve to move telescopically, so that the distance between the inserting sleeve and the rudder stock body can be adjusted, the length of the whole structure is changed, and the use is more flexible; the periphery of the inner side of the plug bush supports the floating plates through the supporting ring, then the four floating plates are respectively connected in a penetrating way through the four penetrating screw rods on the supporting ring, and then the four floating plates are clamped and locked by the locking nuts, so that the plug bush is very convenient to mount and dismount.

Drawings

Fig. 1 is a longitudinal sectional structural view of the present invention.

Fig. 2 is an enlarged schematic view of the rudder stock body and the rotary drive mechanism of the present invention.

Fig. 3 is a sectional view of the driving groove and the telescopic channel in the rudder stock body of the present invention.

Fig. 4 is a schematic structural view of the floating plate penetrating through the telescopic channel.

Fig. 5 is a partially enlarged structural view of one side of the plug bush.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a built-in rotary telescopic rudder stock comprises a rudder stock body 1, a rotary driving mechanism 3 and an insertion sleeve 2. An adjusting groove 11 passing through the front end and the rear end of the rudder stock body 1 is arranged above the rudder stock body; a driving groove 12 is arranged inside the lower part of the rudder stock body 1; the periphery of the inner wall of the driving groove 12 is provided with a threaded ring surface; a cross-connecting channel 13 is arranged between the lower middle part of the adjusting groove 11 and the upper middle part of the driving groove 12; telescopic channels 14 are respectively and vertically arranged at the left side, the right side, the front end and the rear end below the driving groove 12; the telescopic channel 14 extends from the lower side part of the driving groove 12 to the outer edge of the rudder stock body 1; the rotary driving mechanism 3 comprises a driving rod 31, a driving threaded column 32, a rotary clamping rod 33 and a floating plate 34; the driving rod 31 is connected in the through channel 13 in a penetrating way, the upper end of the driving rod 31 is positioned in the adjusting groove 11, and the lower end of the driving rod 31 is positioned in the driving groove 12; the lower end of the driving rod 31 is fixedly connected with a driving threaded column 32; the driving threaded column 32 is connected to the threaded ring surface of the driving groove 12 in a threaded rotating mode; the lower end of the driving threaded column 32 is rotatably clamped with a rotary clamping rod 33; the left side, the right side and the front end and the rear end of the lower end of the rotary clamping rod 33 are respectively and vertically provided with a floating plate 34; one end of the floating plate 34 is fixed at the lower end of the rotary clamping rod 33, and the other end passes through the telescopic channel 14 and extends to the outside of the telescopic channel 14; the longitudinal section of the inserting sleeve 2 is of a U-shaped structure; the periphery of the inner side of the inserting sleeve 2 is provided with a support ring 21; the left side and the right side of the upper end of the support ring 21 and the front end and the rear end are respectively provided with a cross-connecting screw rod 22; the lower end of the rudder stock body 1 is inserted into the inserting sleeve 2; the other end of the floating plate 34 can be correspondingly threaded on the threaded screw 22 through the through port 341, and the lower end face of the floating plate 34 is abutted against the upper end face of the support ring 21; a locking nut 23 is respectively screwed on the cross-connecting screw rod 22; the locking nut 23 is rotationally pressed against the upper end face of the floating plate 34; when the driving screw 32 rotates, the rotary chuck rod 33 moves up and down in the driving groove 12 and the floating plate 34 moves up and down in the telescopic passage 14.

As shown in fig. 1 to 5, further, the driving rod 31 is sleeved with an abutting elastic body 35; the two ends of the abutting elastic body 35 are respectively and elastically squeezed between the inner wall of the upper end of the driving groove 12 and the upper end surface of the driving threaded column 32. Further, the front and rear sides of the floating plate 34 abut against the front and rear side walls of the telescopic passage 14. Further, the height of the telescopic channel 14 is greater than the thickness of the floating plate 34. Further, the upper part of the rudder stock body 1 is of a conical structure with a small upper part and a big lower part; the upper end of the rudder stock body 1 is provided with a rudder stock mounting seat 15. Further, the rotary clamping rod 33 is in a T-shaped structure; the lower end of the driving threaded column 32 is provided with a clamping circular groove with a T-shaped cross section; the upper end of the rotary clamping rod 33 is rotatably clamped in the clamping circular groove at the lower end of the driving threaded column. Furthermore, the longitudinal section of the inserting sleeve 2 is in a U-shaped structure.

According to the invention, the driving rod 31 is rotated, so that the driving rod 31 drives the driving threaded column 32 to rotate in the driving groove 12 through internal threads, the driving threaded column 32 drives the rotary clamping rod 33 to move up and down in the driving groove 12 when rotating to move longitudinally, meanwhile, the floating plate 34 is driven to move up and down in the telescopic channel 14, and the other end of the floating plate 34 drives the whole splicing sleeve 2 to move telescopically, so that the distance between the splicing sleeve 2 and the rudder stock body 1 can be adjusted, the length of the whole structure is changed, and the use is more flexible; the periphery of the inner side of the plug bush 2 supports the floating plates 34 through the support ring 21, then the four floating plates 34 are respectively connected in a penetrating way through the four penetrating screw rods 22 on the support ring 21, and then the four floating plates are clamped and locked by the locking nuts 23, so that the plug bush 2 is very convenient to mount and dismount.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.